language_codestringOptional
The notification language code (2 symbols, ISO639-1). The following values are available: aa (Afar), ab (Abkhazian), af (Afrikaans), am (Amharic), ar (Arabic), as (Assamese), ay (Aymara), az (Azerbaijani), ba (Bashkir), be (Belarusian), bg (Bulgarian), bh (Bihari), bi (Bislama), bn (Bengali), bo (Tibetan), br (Breton), ca (Catalan), co (Corsican), cs (Czech), cy (Welch), da (Danish), de (German), dz (Bhutani), el (Greek), en (English), eo (Esperanto), es (Spanish), et (Estonian), eu (Basque), fa (Persian), fi (Finnish), fj (Fiji), fo (Faeroese), fr (French), fy (Frisian), ga (Irish), gd (Scots Gaelic), gl (Galician), gn (Guarani), gu (Gujarati), ha (Hausa), hi (Hindi), he (Hebrew), hr (Croatian), hu (Hungarian), hy (Armenian), ia (Interlingua), id (Indonesian), ie (Interlingue), ik (Inupiak), in (Indonesian), is (Icelandic), it (Italian), iu (Inuktitut), iw (Hebrew), ja (Japanese), ji (Yiddish), jw (Javanese), ka (Georgian), kk (Kazakh), kl (Greenlandic), km (Cambodian), kn (Kannada), ko (Korean), ks (Kashmiri), ku (Kurdish), ky (Kirghiz), la (Latin), ln (Lingala), lo (Laothian), lt (Lithuanian), lv (Latvian), mg (Malagasy), mi (Maori), mk (Macedonian), ml (Malayalam), mn (Mongolian), mo (Moldavian), mr (Marathi), ms (Malay), mt (Maltese), my (Burmese), na (Nauru), ne (Nepali), nl (Dutch), no (Norwegian), oc (Occitan), om (Oromo), or (Oriya), pa (Punjabi), pl (Polish), ps (Pashto), pt (Portuguese), qu (Quechua), rm (Rhaeto-Romance), rn (Kirundi), ro (Romanian), ru (Russian), rw (Kinyarwanda), sa (Sanskrit), sd (Sindhi), sg (Sangro), sh (Serbo-Croatian), si (Singhalese), sk (Slovak), sl (Slovenian), sm (Samoan), sn (Shona), so (Somali), sq (Albanian), sr (Serbian), ss (Siswati), st (Sesotho), su (Sudanese), sv (Swedish), sw (Swahili), ta (Tamil), te (Tegulu), tg (Tajik), th (Thai), ti (Tigrinya), tk (Turkmen), tl (Tagalog), tn (Setswana), to (Tonga), tr (Turkish), ts (Tsonga), tt (Tatar), tw (Twi), ug (Uigur), uk (Ukrainian), ur (Urdu), uz (Uzbek), vi (Vietnamese), vo (Volapuk), wo (Wolof), xh (Xhosa), yi (Yiddish), yo (Yoruba), za (Zhuang), zh (Chinese), zu (Zulu)